Product Description
The Goodyear 2B14-354 Double-Convoluted Bellows Air Spring is a heavy-duty replacement suspension air bag designed for Mack commercial trucks and other compatible truck and trailer air suspension systems. Engineered to provide dependable air cushioning and load support, this air spring helps absorb road shock, reduce vibration, and maintain stable suspension performance under varying operating conditions.
Featuring Goodyear's durable Super-Cushion construction, the 2B14-354 incorporates two reinforced rubber bellows sections and heavy-duty metal mounting plates. Its double-convoluted design provides controlled compression and extension, helping reduce stress on surrounding suspension components while improving ride comfort and protecting cargo from road vibration.
Designed for select Mack, Hendrickson, Ridewell, International/Navistar, and Volvo suspension configurations, the Goodyear 2B14-354 provides a reliable replacement for worn, damaged, or leaking air springs. Its reinforced construction makes it suitable for demanding commercial transportation environments where dependable suspension performance and load support are essential.
Specifications:
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Manufacturer: Goodyear
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Part Number: 2B14-354
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Product Line: Super-Cushion
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Product Type: Heavy-Duty Suspension Air Spring
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Design: Double-Convoluted / Two-Bellows
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Construction: Reinforced Rubber Bellows with Metal Mounting Plates
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Maximum Extended Height: 11.30 inches
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Minimum Compressed Height: 3.70 inches
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Maximum Working Diameter: Approximately 15.10 inches
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Top Plate Diameter: 11.30 inches
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Bottom Plate Diameter: 11.30 inches
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Top Mounting: Four Threaded Mounting Holes
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Bottom Mounting: Four Threaded Mounting Holes
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Top Mounting Thread Size: 3/8"-16 UNC
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Bottom Mounting Thread Size: 1/2"-13 UNC
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Mounting Center Spacing: 6.25 inches
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Air Connection: 1/4"-18 NPTF
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Air Connection Offset: 3.12 inches
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Internal Bumper: No
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Goodyear Bellows Number: 578-92-3-353
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Goodyear Upper Mounting Assembly: ASA-92-8-028
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Goodyear Lower Mounting Assembly: ASA-92-6-013
Cross-Reference Part Numbers:
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Firestone: W01-358-7145
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Continental/ContiTech: 64548, FD 530-22 374
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Mack: 57QL239
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Hendrickson: S-13038
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International/Navistar: 554796C1
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Volvo: 35203-0005, 35203-3204
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Ridewell: 1003587145C, S-4540-C
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SAF-Holland/Neway: 57007145
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Automann: ABSP2B34R-7145
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Triangle: 4374, AS-4374
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Dayton Parts: 354-7145
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Meritor: FS7145
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TRP: AS71450
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Loadguard: SC2016
Important Fitment Note: Designed for select commercial truck and trailer suspension systems, including configurations using Mack 57QL239 and Firestone W01-358-7145 air springs. Verify the original equipment part number, mounting hole arrangement, air connection, and suspension dimensions before ordering to ensure proper fitment. Similar double-convoluted air springs may have different mounting configurations and are not necessarily interchangeable.